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Hannover 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Hannover musste abgesagt werden! Lesen Sie mehr ...

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P: Fachverband Plasmaphysik

P 5: Poster Session 1

P 5.19: Poster

Montag, 9. März 2020, 16:30–18:30, Empore Lichthof

Infrared study of CH4 conversion in a non-equilibrium O2/He atmospheric pressure plasma jet — •Theresa Urbanietz, Christoph Stewig, Marc Böke, and Achim von Keudell — Experimental Physics II, Ruhr-University Bochum, 44780 Bochum

The dissociation of CH4 in a non-equilibrium atmospheric pressure O2/He plasma jet is measured for varying absorbed plasma powers and different CH4/O2 ratios. Space resolved measurements are performed and analyzed by Fourier transform infrared spectroscopy. This diagnostic is used to evaluate the products of the reactions which are CH4, CO2, CO and H2O. By comparing the measured spectra with calculated spectra the concentration as well as the rotational and vibrational excitation of the species are determined. It is shown that the CO concentration is independent of the CH4/O2 ratio. The consumption of CH4 is limited by the oxygen admixture.

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DPG-Physik > DPG-Verhandlungen > 2020 > Hannover